y,m,d = map(int, input().split())
if y < 1989 or y > 2019:
    print('No')
elif (y == 1989 and m > 1) or (y == 2019 and m > 4):
    print('No')
elif y == 1989 and m == 1 and d > 8:
    print('No')
else:
    print('Yes')